Narrow Body
The Boeing 757 is a narrow body medium haul aircraft while the Boeing 777 is a wide body long haul aircraft and is much larger and is designed to fly international routes.
Yes, much. The 757 is a narrow body, one storey aircraft, while the 747 is a widebody and has 2 levels.
757
the cost of a Boeing 757-200 is $65 million and the cost of a 757-300 is $80 million
It honestly depends on what type of 757 you use. 757-200, -200F, -200WL, or -300 Boeing 757-200: 3,900 nautical miles Boeing 757-200F: 3,150 nautical miles Boeing 757-200WL: 4,100 nautical miles Boeing 757-300: 3,467 nautical miles
747
A Boeing 757 weighs from 220,000 pounds up to a maximum of 255,000 pounds. The 757 is a mid-size jet airliner.
a 767 is bigger than a 757
The length of a Boeing 757 varies depending on the model: Boeing 757-200: 155 feet 3 inches (47.32 meters). Boeing 757-300: 178 feet 7 inches (54.47 meters). The 757-300 is the longer version, designed to carry more passengers, while the 757-200 is the standard model.
Maximum takeoff weight for a Boeing 757-300 is 123,600 kg (272,500 lb)
The 757 is a jet airplane. It does not have propellors.